Solve.The time in hours it takes a satellite to complete an orbit around the earth varies directly as the radius of the orbit (from the center of the earth) and inversely as the orbital velocity. If a satellite completes an orbit 
above the earth in 
at a velocity of 
how long would it take a satellite to complete an orbit if it is at 
/> above the earth at a velocity of 
(Use 
as the radius of the earth.)
A. 50.48 hours
B. 7.67 hours
C. 26.67 hours
D. 266.69 hours
Answer: C
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Solve.The sales tax on the purchase of a car is $2265.92. If the tax rate is 7.3%, find the purchase price of the car.
A. $703,341.57 B. $31,040.00 C. $22,659.20 D. $33,305.92
A particle moves with position function r(t) = 5 costi + 5 sintj + 5tk. Find the normal component of the acceleration vector.
What will be an ideal response?
Provide an appropriate response.Simplify by combining like terms: 7a + 6 - 4b + 7b - 2 + a
Fill in the blank(s) with the appropriate word(s).
For a test question, a mathematics teacher wants to find two constants a and b such that the test item "Simplify 
)" will have an answer of 
. What constants should the teacher use for a and b?
?
A. 
B. ?
C. ?
D. ?
E. ?